EP3901310A4 - Fil-machine dont le traitement thermique d'adoucissement peut être omis, et son procédé de fabrication - Google Patents

Fil-machine dont le traitement thermique d'adoucissement peut être omis, et son procédé de fabrication Download PDF

Info

Publication number
EP3901310A4
EP3901310A4 EP19899919.5A EP19899919A EP3901310A4 EP 3901310 A4 EP3901310 A4 EP 3901310A4 EP 19899919 A EP19899919 A EP 19899919A EP 3901310 A4 EP3901310 A4 EP 3901310A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
heat treatment
wire rod
method therefor
softening heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19899919.5A
Other languages
German (de)
English (en)
Other versions
EP3901310A1 (fr
Inventor
Jae-Seung Lee
Byoung-Gab LEE
Sang-Yoon Lee
Se-Hong MIN
Woo-Seok Choi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3901310A1 publication Critical patent/EP3901310A1/fr
Publication of EP3901310A4 publication Critical patent/EP3901310A4/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP19899919.5A 2018-12-18 2019-12-13 Fil-machine dont le traitement thermique d'adoucissement peut être omis, et son procédé de fabrication Pending EP3901310A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180163837A KR102153195B1 (ko) 2018-12-18 2018-12-18 연질화 열처리의 생략이 가능한 선재 및 그 제조방법
PCT/KR2019/017687 WO2020130506A1 (fr) 2018-12-18 2019-12-13 Fil-machine dont le traitement thermique d'adoucissement peut être omis, et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3901310A1 EP3901310A1 (fr) 2021-10-27
EP3901310A4 true EP3901310A4 (fr) 2022-01-19

Family

ID=71101373

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19899919.5A Pending EP3901310A4 (fr) 2018-12-18 2019-12-13 Fil-machine dont le traitement thermique d'adoucissement peut être omis, et son procédé de fabrication

Country Status (6)

Country Link
US (1) US20220033920A1 (fr)
EP (1) EP3901310A4 (fr)
JP (1) JP7576033B2 (fr)
KR (1) KR102153195B1 (fr)
CN (1) CN113195768B (fr)
WO (1) WO2020130506A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102109278B1 (ko) * 2018-10-31 2020-05-11 주식회사 포스코 연질화 열처리의 생략이 가능한 선재 및 그 제조방법
CN112410679A (zh) * 2020-10-30 2021-02-26 江苏永钢集团有限公司 一种铬合金非调质钢盘条及其生产方法
WO2022181272A1 (fr) * 2021-02-26 2022-09-01 株式会社神戸製鋼所 Acier structural mécanique pouvant être travaillé à froid et son procédé de production

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000119809A (ja) * 1998-10-13 2000-04-25 Kobe Steel Ltd 迅速球状化可能で冷間鍛造性の優れた鋼線材およびその製造方法
WO2011062012A1 (fr) * 2009-11-17 2011-05-26 新日本製鐵株式会社 Fil d'acier pour recuit à basse température et son procédé de production
EP2843070A1 (fr) * 2012-04-24 2015-03-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Acier pour une structure mécanique pour un formage à froid, et procédé de fabrication de ce dernier

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3554505B2 (ja) 1999-05-26 2004-08-18 新日本製鐵株式会社 機械構造用熱間圧延線材・棒鋼及びその製造方法
JP3737323B2 (ja) * 1999-09-17 2006-01-18 株式会社神戸製鋼所 球状化後の冷間鍛造性に優れた鋼線材・棒鋼およびその製造方法
JP2003183733A (ja) 2001-12-14 2003-07-03 Sumitomo Metal Ind Ltd 線材の製造方法
JP4008320B2 (ja) * 2002-09-12 2007-11-14 株式会社神戸製鋼所 軸受用圧延線材および伸線材
KR101033752B1 (ko) 2005-02-16 2011-05-09 신닛뽄세이테쯔 카부시키카이샤 구상화 처리 후의 냉간 단조성이 우수한 열간 압연 선재,우수한 냉간 단조성을 갖는 구상화 어닐링 처리된 강선, 및그들의 제조 방법
JP4669300B2 (ja) * 2005-02-16 2011-04-13 新日本製鐵株式会社 球状化処理後の冷間鍛造性に優れた鋼線材及びその製造方法
JP5070931B2 (ja) 2006-05-31 2012-11-14 住友金属工業株式会社 圧延線材及びその製造方法
JP5357994B2 (ja) * 2011-12-19 2013-12-04 株式会社神戸製鋼所 冷間加工用機械構造用鋼およびその製造方法
JP2015168882A (ja) * 2014-03-11 2015-09-28 株式会社神戸製鋼所 合金鋼の球状化熱処理方法
WO2016121820A1 (fr) * 2015-01-27 2016-08-04 新日鐵住金株式会社 Matériau en barreau pour composant de machine non trempé, barreau d'acier pour composant de machine non trempé et composant de machine non trempé
JP2017043835A (ja) * 2015-08-25 2017-03-02 株式会社神戸製鋼所 冷間加工用機械構造用鋼、およびその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000119809A (ja) * 1998-10-13 2000-04-25 Kobe Steel Ltd 迅速球状化可能で冷間鍛造性の優れた鋼線材およびその製造方法
WO2011062012A1 (fr) * 2009-11-17 2011-05-26 新日本製鐵株式会社 Fil d'acier pour recuit à basse température et son procédé de production
EP2843070A1 (fr) * 2012-04-24 2015-03-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Acier pour une structure mécanique pour un formage à froid, et procédé de fabrication de ce dernier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020130506A1 *

Also Published As

Publication number Publication date
CN113195768A (zh) 2021-07-30
JP2022512514A (ja) 2022-02-04
EP3901310A1 (fr) 2021-10-27
KR102153195B1 (ko) 2020-09-07
JP7576033B2 (ja) 2024-10-30
US20220033920A1 (en) 2022-02-03
KR20200075305A (ko) 2020-06-26
CN113195768B (zh) 2023-03-28
WO2020130506A1 (fr) 2020-06-25

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RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/06 20060101ALI20211216BHEP

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DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO HOLDINGS INC.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO CO., LTD